task

type Activity struct {
	ID string

	WorkflowInstance *core.WorkflowInstance

	Metadata *core.WorkflowMetadata

	Event history.Event
}

type Workflow struct {
	// ID is an identifier for this task. It's set by the backend
	ID string

	// WorkflowInstance is the workflow instance that this task is for
	WorkflowInstance *core.WorkflowInstance

	WorkflowInstanceState core.WorkflowInstanceState

	Metadata *core.WorkflowMetadata

	// LastSequenceID is the sequence ID of the newest event in the workflow instances's history
	LastSequenceID int64

	// NewEvents are new events since the last task execution
	NewEvents []history.Event

	// Backend specific data, only the producer of the task should rely on this.
	CustomData any
}